116391936 has 84 divisors (see below), whose sum is σ = 318766952. Its totient is φ = 37748736.

The previous prime is 116391917. The next prime is 116391941. The reversal of 116391936 is 639193611.

It is a junction number, because it is equal to n+sod(n) for n = 116391894 and 116391903.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3145710 + ... + 3145746.

Almost surely, 2^116391936 is an apocalyptic number.

116391936 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

116391936 is a droll number since its even prime factors and its odd prime factors have the same sum.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 116391936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (159383476).

116391936 is an abundant number, since it is smaller than the sum of its proper divisors (202375016).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

116391936 is an frugal number, since it uses more digits than its factorization.

116391936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80 (or 42 counting only the distinct ones).

The product of its digits is 26244, while the sum is 39.

The square root of 116391936 is about 10788.5094429212. The cubic root of 116391936 is about 488.2485520546.

The spelling of 116391936 in words is "one hundred sixteen million, three hundred ninety-one thousand, nine hundred thirty-six".